CVE-2021-21858: Buffer Overflow
Multiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input can cause an integer overflow due to unchecked addition arithmetic resulting in a heap-based buffer overflow that causes memory corruption. An attacker can convince a user to open a video to trigger this vulnerability.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-21858?
CVE-2021-21858 is classified as a high severity vulnerability due to its potential for integer overflow leading to heap-based buffer overflows.
How do I fix CVE-2021-21858?
To mitigate CVE-2021-21858, users should update to versions 0.5.2-426-gc5ad4e4+dfsg5-5, 1.0.1+dfsg1-4+deb11u3, or 2.2.1+dfsg1-3 of the GPAC Project on Advanced Content library.
What types of systems are affected by CVE-2021-21858?
CVE-2021-21858 affects the GPAC Project on Advanced Content library versions 1.0.1 and other specified Debian versions.
Can CVE-2021-21858 be exploited remotely?
Yes, CVE-2021-21858 can potentially be exploited remotely through specially crafted MPEG-4 files.
What are the potential impacts of CVE-2021-21858?
The exploitation of CVE-2021-21858 may lead to application crashes or execution of arbitrary code in the context of the affected system.